Singer 591 - Page 23

8. Check the adjustment and timing of parts disturbed and correct wherenecessary, accordingto the instructions
on pages 2 through 7.
9. Replace thread take-up,asinstructedon pages 15and 16.
10. Replace presserbar and presserfoot, as instructed on page 14.
11. Replacethe upper needlebar bushing,or needlebar frameand the needle bar, as insturcted on pages 13and 24.
12. Replacethread take-up oil guard P2, Fig. 23, page 16.
13. Replaceami side shieldwick,as instructed on page16.
14. Replace ann top cover and tighten its four screws.
15. Replace face plate and tighten itsthree screws (ondrop feed) andtwo screws (on compound feed), as instmcted
on page 2.
THE BOBBIN WINDER
REMOVAL:
1. Remove arm top cover.
2. Remove bobbin winder spring D4, Fig. 32.
3. Remove bobbin winder bracket screw stud E4 and bobbin
winder assembly F4 from arm top cover.
REPLACEMENT:
1. Replace bobbin winder assembly F4 and tighten screw
stud E4. Check bobbin winder assembly for freedom
in movement.
2. Replace bobbin winder spring D4.
Fig. 32
3. Check that the bobbin winder bracket G4 comesinto contact with the actuating camH4, Fig.33, and spindleJ4
lightly contact the eccentric bobbin winder stopper K4 and quickly stop its rotation when bobbin winder is
released from engagement at completion of thread winding. Ifthe sprindle isnot in contact, orifit is pressing too
strongly against the stopper, turn stopper as required, until spindle isin proper contact withthe stopper.
4. Replace arm top cover.
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From the library of: Superior Sewing Machine & Supply LLC